In Keller v. Lyman, 66 Pa. D. & C. 591, 594-95 (1949), the defendants sought to stop the operation of a used car lot on property that was subject to an ordinance which prohibited "warehouses or storage yards." The court held that although slow-turnover could cause some cars to sit on the lot for a long period of time, the car lot was not a warehouse or storage yard because all retailers have held merchandise for an extended period of time. Id.